Glossary term
What is Prometheus? Meaning for developers
A monitoring system that scrapes metrics from your services and stores them as time series.
Learn it properly · Observability & SRELesson 2: Metrics and Prometheus: Counters, Gauges, Histograms and PercentilesThe metric types, labels and cardinality, why averages lie, percentiles, and a real Prometheus scrape of a Node service.